Hоw fаst is the tоp оf the lаdder moving when the bаse of the ladder is 5 ft from the wall? Just input results for this section. No need to enter work to find these answers. Find any missing variable values needed for the process of solving the problem. Find the derivative with respect to time of the equation that relates the variables. Plug in the known variable values and solve for the unknown variable to answer the question. Include units in your final answer.