the probable cause is that for some reason the mod updater is adding an extra line
into the entity files. unfortunatly the fix is to delete ONE of the lines above in each of the entity files.
and I have NO idea why the mod updater is adding the line. it is not even looking at the acceleration/deceleration parameters in the entity files. I am currently going through my copy of dynamic 9b fixing this issue in the entity's
and when I have it fixed I will upload it