1. The problem statement, all variables and given/known data In the sketch at right, the winch W draws the cable at a constant rate of 2 m/s. Calculate the velocity of the counterweight C relative to the elevator E. 2. Relevant equations (Sa-Sc)+(Sb-Sc)+Sb=I2 3. The attempt at a solution I must be using the wrong equation because I am getting really strange answers.