I'm not sure what to do about this, the physics engine is a big block of someone else's code and I've no idea how it ends up with those forces. Maybe apply less force depending on the timescale?
The source code I did not use any force. All calculated by the plugin.
This happens only when the timescale comes to 0 smoothly and at the moment of the collision objects.
Spinning platform is not affected. When a fixed platform the same thing happens.