A motorcycle is being driven on a road moving north at 40 miles per hour. A car is driving on the same road moving south at 40 miles per hour. Which of the following is true? a The motorcycle and the car are moving in opposite directions, so their velocities are different. b The motorcycle and car are moving at the same velocity but different speeds. c The motorcycle and the car are moving in opposite directions, so their speeds are different. d The motorcycle and car are moving at the same velocity and the same speed.

b The motorcycle and car are moving at the same velocity but different speeds.