A Motorcycle Has a Velocity of 24 M/s, Due South

Multiple Choice

A motorcycle has a velocity of 24 m/s, due south as it passes a car with a velocity of 15 m/s, due north. What is the magnitude and direction of the velocity of the motorcycle as seen by the driver of the car?

A) 9 m/s, north
B) 9 m/s, south
C) 15 m/s, north
D) 39 m/s, north
E) 39 m/s, south