Aliza needs to run at a rate faster than 8.8 feet per second in order to exceed her fastest time in a race. After running for 15 minutes, her coach determines that she is running at an average rate of 5.8 miles per hour. He concludes that she is not running fast enough to exceed her fastest time.

Aliza needs to run at a rate faster than 88 feet per second in order to exceed her fastest time in a race After running for 15 minutes her coach determines that class=