The radius of a circle is decreasing at a constant rate of 0.1 centimeter per second. In terms of the circumference C, what is the rate of change of the area of the circle, in square centimeters per second? a) -(0.2) pieC b) -(0.1)C c) -(0.1)C/2pie d) (0.1)^2C e) (0.1)^2pieC