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A right circular cone has height equal to 4 times its radius. The radius of the cone is increasing at a constant rate. When the area of the base is increasing at a rate of square meters per second, the volume is increasing at a rate of
cubic meters per second. If, at a later time, the area of the base is increasing at a rate of
square meters per second, how fast is the volume increasing? How fast is the height increasing?
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