How to reproduce:
1. Open the attached user project “CinemachineTest.zip“
2. Open the "SampleScene" Scene
3. Enter Play Mode
4. Disable the “vcam 2” GameObject, the “Main Camera“ GameObject will start moving
5. When the “Main Camera“ GameObject moves half of the way between the “vcam 1” and “vcam 2” GameObjects, quickly enable and disable the “vcam 2” GameObject
Expected result: Cinemachine’s camera Blend retains the same speed of motion
Actual result: Cinemachine's camera Blend motion speeds up
Reproducible with: 2.9.0-pre.6 (2020.3.37f1, 2021.3.8f1, 2022.1.13f1, 2022.2.0b4, 2023.1.0a5)
Reproducible on: macOS (12.5)