The acceleration function describes how an object's velocity changes over time. It is the derivative of the object's velocity function.
Related terms
Velocity Function: The velocity function describes an object's speed and direction of motion at any given time.
Position Function: The position function describes the location of an object at any given time.
Derivative: A derivative measures how a quantity changes when another related quantity changes. In this case, it measures how the velocity changes with respect to time.