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25-10-2022
Mathematics

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A negative vertical velocity means that the rock is moving downward, instead of upward. Unlike velocity, speed can never be negative. Speed, like distance or time, is always considered to be a positive quantity. When the falling rock has a velocity of -5 feet per second, it has a speed of 5 feet per second. Write a function that gives the speed, s, of the rock at time t.

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