A body oscillates with SHM according to equation \( x=6 \cos \left(3 \pi t+\frac{\pi}{3}\right) \mathrm{cm} \), the displacement, velocitv and arceleration at time \( t=? \mathrm{~s} \) in maonitude are
Choose I answer:
A \( \pi, 9 \pi, 27 \pi^{2} \)
B \( 3,9 \pi, 27 \pi^{2} \)
c \( 3,9 \pi \sqrt{3}, 27 \pi^{2} \)
D \( 3 \pi, 9 \pi^{2}, 27 \pi^{2} \)