Question

any change of distance over time is called

acceleration

rate

speed

displacement

Explanation:

• Acceleration is the change in velocity over time, not just distance over time.
• Rate is a more general term. When specifically referring to change of distance over time, speed is the appropriate term.
• Displacement is a vector quantity representing the change in position, not just the change in distance.
• Speed is defined as the change in distance over time.

Answer:

speed