The average velocity of a particle performing S.H.M. in one complete vibration is ( \(\mathrm{A}=\) amplitude of S.H.M., \(\omega=\) angular velocity)
zero
\(\mathrm{A}\omega\)
\(\frac{\mathrm{A}\omega}{2}\)
\(\frac{\mathrm{A}\omega ^{2}}{2}\)