An 80 kg skydiver is falling at terminal velocity.
What is the drag force acting on the skydiver?
Assuming his surface area to be 0.70 m^2, the density of air to be 1.2 kg/m^3, and the drag coefficient to be 0.5, what is his terminal velocity?
Would the terminal velocity be smaller, larger, or the same for a 90 kg skydiver? Explain.