Average Speed and Velocity The average speed is defined as the distance traveled divided by the time the trip took: Average speed = distance / elapsed time Is the average speed of the red car 40.0 mi/h, more than 40.0 mi/h, or less than 40.0 mi/h? 30.0 mi/h 50.0 mi/h - 4.00 mi 4.00 mi pyright @ 2010 Pearson Education, Inc