A \( \frac{2}{3} rad.s^{-1} \)
B \( \frac{3}{2} rad.s^{-1} \)
C \( \frac{4\pi}{3} rad.s^{-1} \)
D \( \frac{3\pi}{4} rad.s^{-1} \)
Correct Answer: Option B
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