Question

acceleration describes how much is changing over a period of time. when an object is speeding up, the acceleration is. when an object is slowing down the acceleration is. when an object has no change in speed the acceleration is

Explanation:

Acceleration is the rate of change of velocity. Positive acceleration means speeding up, negative acceleration (deceleration) means slowing down, and zero acceleration means constant speed.

Answer:

1. Velocity
2. Positive
3. Negative
4. Zero