Acceleration is the rate at which an object changes its velocity. It defines how much the velocity is changing. The acceleration can be negative and positive. Negative acceleration is when the object slows down, while positive while the object goes faster.
<span>A ball moving at a constant speed around a circular track produces acceleration. </span>
Answer:10
Explanation:
You have to do speed divided by time so your answers 10
8.64
×10^4
this is 86400 in scientific notation