[ownedbycats]

One of my books, the individual reading speed seems to be stuck at 25.0 pages/day, even after adding new records. Other book entries their speed changes when I update them.

    "1801": {
      "authors": [
        "Richard Adams"
      ],
      "challenges": [
        "Annual"
      ],
      "date": {
        "__class__": "datetime.datetime",
        "__value__": "2024-05-25T07:03:38.546964+00:00"
      },
      "genre": [
        "Physical Books.Fiction"
      ],
      "last_year_pages": 0,
      "page_count": 478,
      "read_pages": 249,
      "records": {
        "0": {
          "date": null,
          "read_pages": 0,
          "status": 0
        },
        "1": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-20T02:20:29.059778+00:00"
          },
          "read_pages": 29,
          "status": 6
        },
        "10": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-22T23:26:47.907649+00:00"
          },
          "read_pages": 134,
          "status": 28
        },
        "11": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-23T01:37:50.672731+00:00"
          },
          "read_pages": 148,
          "status": 31
        },
        "12": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-23T05:01:15.516423+00:00"
          },
          "read_pages": 158,
          "status": 33
        },
        "13": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-23T19:47:05.273696+00:00"
          },
          "read_pages": 167,
          "status": 35
        },
        "14": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-24T00:21:26.098232+00:00"
          },
          "read_pages": 186,
          "status": 39
        },
        "15": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-24T04:17:47.145538+00:00"
          },
          "read_pages": 206,
          "status": 43
        },
        "16": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-24T17:54:31.119463+00:00"
          },
          "read_pages": 215,
          "status": 45
        },
        "17": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-24T21:42:41.506507+00:00"
          },
          "read_pages": 234,
          "status": 49
        },
        "18": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-25T01:01:28.508090+00:00"
          },
          "read_pages": 239,
          "status": 50
        },
        "19": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-25T07:03:38.546964+00:00"
          },
          "read_pages": 249,
          "status": 52
        },
        "2": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-20T06:40:16.377385+00:00"
          },
          "read_pages": 38,
          "status": 8
        },
        "3": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-20T19:51:24.807883+00:00"
          },
          "read_pages": 57,
          "status": 12
        },
        "4": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-21T00:33:16.842925+00:00"
          },
          "read_pages": 67,
          "status": 14
        },
        "5": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-21T05:00:28.927299+00:00"
          },
          "read_pages": 81,
          "status": 17
        },
        "6": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-21T17:00:47.609068+00:00"
          },
          "read_pages": 86,
          "status": 18
        },
        "7": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-21T20:20:24.748048+00:00"
          },
          "read_pages": 100,
          "status": 21
        },
        "8": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-22T02:45:55.936252+00:00"
          },
          "read_pages": 115,
          "status": 24
        },
        "9": {
          "date": {
            "__class__": "datetime.datetime",
            "__value__": "2024-05-22T07:32:12.513985+00:00"
          },
          "read_pages": 129,
          "status": 27
        }
      },
      "reread_count": 3,
      "shelf": "Rereading",
      "status": 52,
      "title": "Watership Down",
      "title_sort": "Watership Down"
    },

The only thing unusual I can think of is the previous re-reads all having a single 100% record. Is there any idea why the speed doesn't change?