Upon reaching the top of the building, the elevator accelerates downward at 3.0 m/s?. 3. a. Construct a force diagram for the passenger. b. Write an equation for the vertical forces on the passenger. c. Calculate the force the floor exerts on the passenger. 4. While descending in the elevator, the cable suddenly breaks. How big is the force on the passenger by the floor? Explain your answer. 5a. A 70 kg skydiver jumps out of an airplane. Immediately after jumping, how large is the skydiver's acceleration