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An arrow is propelled upward. It is s(t) = - 16t + 80t + 490 feet off the ground after 1 seconds. Find the velocity

An arrow is propelled upward. It is s(t) = - 16t² + 80t + 490 feet off the ground after 1 seconds. Find the velocity of the arrow at 3 seconds. Give appropriate units with your answer.C) 16 ft/sD) 32 ft/sA) - 16 ft/sB) -32 ft/s

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