Answer:
22 ft/s
Explanation:
At 60 mph a car travels 88 feet per second. There are 22 feet per second that a car travels at 15 mph.
15 mph is 1/4 of 60 mph. At 1/4 the speed, the car will travel 1/4 as far in a second.
1/4×(88 ft/s) = 22 ft/s
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