The equation of a wave is represented by y $=$ 10$-$4 sin(100t $-$ ${x \over {10}}$) m. then the velocity of wave will be

Question

The equation of a wave is represented by

y $=$ 10^$-$4 sin(100t $-$ ${x \over {10}}$) m. then the velocity of wave will be

100 m/s