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A fisherman is reeling in a fish at a rate of 40 centimeters per second. If the tip of his fishing rod is 7.5

A fisherman is reeling in a fish at a rate of 40 centimeters per second. If the tip of his fishing rod is 7.5 meters above the water, and we are assuming that the fish is near the water surface throughout the process, how fast is it approaching when 12.5 meters of fishing line are still out?

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