Question

define acceleration ?????​

Answer 1

Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always.

i hope this might help you

Answer 2

Answer:

Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.

Explanation:

that is true