The gear A on the drive shaft of the outboard motor has a radius r_A = 0.7 in. and the meshed pinion gear B on the propeller shaft has a radius r_Β = 1.4 in. Determine the magnitudes of the velocity and acceleration of a point P located on the tip of the propeller at the instant t = 0.75 s. The drive shaft rotates with an angular acceleration α = (300 √t) rad/s², where t is in seconds. The propeller is originally at rest and the motor frame does not move.

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2.2 in. P B