At the instant shown, bars AB and CD are vertical. In addition, point C is moving to the l...

At the instant shown, bars AB and CD are vertical. In addition, point C is moving to the left with a speed of 4 m/s, and the magnitude of the acceleration of C is 55 m/s2. Letting L = 0.5 m and H = 0.2 m, determine the angular accelerations of bars AB and BC.

Figure P6.102