Answer :
Final answer:
The speed of a cheetah running at an average of 68 mph converts to approximately 99.7 feet per second (fps). This calculation involves converting miles to feet and hours to seconds. The correct answer is option D.
Explanation:
The problem statement asks about converting speed from miles per hour (mph) to feet per second (fps). Since the cheetah's average speed is given as 68 mph, the procedure to follow requires knowing that 1 mile is approximately equivalent to 5280 feet and 1 hour is equivalent to 3600 seconds.
Step 1: Firstly, we note the given speed of the cheetah which is 68 mph. Step 2: To convert this to feet per second, we multiply by 5280 (since 1 mile = 5280 feet) to get the speed in feet per hour. Step 3: We then divide by 3600 (since 1 hour = 3600 seconds) to get the speed in feet per second.
The calculation becomes: (68 x 5280) / 3600 = 99.7 fps. Therefore, the speed of the cheetah in feet per second is 99.7fps.
Option D is correct.
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