Bicycle gears, energy, work and power?? hi everyone, let's say you're riding a bicycle, and as you approach a hill, you shift to a lower gear. You pedal at the same rate, however. Does the power increase, decrease or stay the same? An explanation would be helpful. I've been trying to reason through this all day. I know that changing to a lower gear increases the amount of power, but what about the case of pedaling at the same rate? Thanks!