The Trolley Problem Revisited

You are standing by a set of train tracks when you see an out-of-control trolley hurtling towards five workers who are on the main track and cannot escape. You are next to a lever that can switch the trolley to a side track. However, there is one worker on the side track. You have two options: do nothing and let the five workers die, or pull the lever, diverting the trolley to kill the one worker but save the five. What do you do?