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average speed = (distance) / (time to cover the distance) = (80/2.5) = 32 ft/sec.

We know that the speed was not constant during the 2.5 seconds. But with the information given,

32 ft/sec average is the only thing we can calculate.

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14y ago
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Q: What is the speed of a fall of 80 feet in 2.5 seconds?
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