Assertion list for term "move at constant speed".

Results from Ascent++: 6
observer CapableOfmove at constant speed 0.55
ball CapableOfmove at constant speed 0.53
train CapableOfmove at constant speed 0.38
puck CapableOfmove at constant speed 0.28
wave CapableOfmove at constant speed 0.27
snake CapableOfmove at constant speed 0.25