ancillae. 1  nominative plural of. 2  genitive singular of. 3  dative singular of.  vocative plural of.
Acceleration is the time rate of change of velocity. If velocity is constant, then. acceleration is zero. Note: 100 km per h for 10 seconds is a constant speed, but not necessarily a constant. velocity, since we're told nothing about the direction.
Acceleration is defined as the rate of change of the velocity over the time taken. In one dimension, the term acceleration is defined a the rate at which the object slows down and speeds up. The instantaneous acceleration is defined as the acceleration at any particular time period.