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An ice-cream scoop falls from a cone on a hot summer day. The puddle of ice-cream formed by melting is circular and the radius grows

An ice-cream scoop falls from a cone on a hot summer day. The puddle of ice-cream formed by melting is circular and the radius grows at a rate of 2 centimeters per minute. Find the rate of change of the circumference of the puddle with respect to time when the radius is 3 centimeters.

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