Kevin completes his morning workout at the pool. He swims 4.00 × 10 3 m (80 laps in the 50.0-m-long pool) in 1.00 h. (a) What is the average velocity of Kevin during his workout? (b) What is his average speed? (c) With a burst of speed, Kevin swims one 25.0-m stretch in 9.27 s. What is Kevin’s average speed over those 25 m?