Question

what do you mean by acceleration​

Answer 1

Explanation:

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

Answer 2

It's the rate of change of velocity of an object. An object is said to be accelerating if it's changing its velocity .It is a vector quantity.There are 3 types of acceleration , 1) positive acceleration ,2) negative acceleration, 3)zero acceleration.

hope it helps you..