A body oscillate with SHM according to equation (SI unit), $x= 10\cos (2πt+π/4)$ at t=1.5 s, calculate the speed of the body.

$44 m s^{-1}$ $22 m s^{-1}$ $10 m s^{-1}$ $5 m s^{-1}$

$44 m s^{-1}$

The correct answer is Option (1) → $44 m s^{-1}$