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.
/ÉªkËsÉlÉËreÉªÊÉn/. noun. Learner's definition of ACCELERATION. 1. : the act or process of moving faster or happening more quickly: the act or process of accelerating. [noncount]. The car delivers quick/rapid acceleration. The car has good acceleration. [=the car is able to accelerate quickly]. There has been some acceleration in economic growth.