At the instant shown, the pinion is rotating between two racks with an angular velocity ωP...

At the instant shown, the pinion is rotating between two racks with an angular velocity ωP = 55 rad/s. If the nominal radius of the pinion is R = 4 cm and if the lower rack is moving to the right with a speed υL = 1.2 m/s, determine the velocity of the upper rack.

Figure P6.33