Show transcribed image text 6. Blocks A, B, and D are being lifted by the weight of block C and the

Show transcribed image text 6. Blocks A, B, and D are being lifted by the weight of block C and the pulley system shown. If the system is released from rest, determine the velocity of the block D after 3 seconds. Also, how far will block B travel in this time period. Neglect the mass of the cables and pulleys.