A 25-foot ladder is leaning against a vertical wall (see figure) when Jack begins pulling the foot of the ladder away from the wall at a rate of 0.6 ft/s. How fast is the top of the ladder sliding down the wall when the foot of the ladder is 7 ft from the wall? 25 it Differentiate both sides of the equation with respect to t. (2x) (2) dy = 0 dt t/s. When the foot of the ladder is 7 ft from the wall, the top of the ladder is sliding down the wall at a rate of

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