GATE Mechanical Engineering (ME) 2017 Shift 2 Solved Paper

Block 2 slides outward on link 1 with uniform velocity of 6 m/s as shown in the figure. Link 1 is rotating at a constant angular velocity of 20 radian/s counterclockwise. The magnitude of the total acceleration (in m/s²) of point P of the block with respect to fixed point O is ________