What Is the Relationship Between Instantaneous Speed and Instantaneous Velocity

Multiple Choice

What is the relationship between instantaneous speed and instantaneous velocity?

A) They are identical.
B) Instantaneous speed is the rate at which the instantaneous velocity is changing.
C) Instantaneous speed is the magnitude of the instantaneous velocity.
D) They are unrelated.
E) Instantaneous speed is the initial speed minus the final speed.