The radius of the circle is increasing at \( 7 \mathrm{~cm} / \math...

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The radius of the circle is increasing at \( 7 \mathrm{~cm} / \mathrm{sec} \).
\( \mathrm{P} \)
What is the rate of increase of its circumference?
W
(1) \( 44 \mathrm{~cm} / \mathrm{sec} \)
(2) \( 22 \mathrm{~cm} / \mathrm{sec} \)
(3) \( 11 \mathrm{~cm} / \mathrm{sec} \)
(4) \( 7 \mathrm{~cm} / \mathrm{sec} \)
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