An accelerating aircraft is represented in the force diagram. In the instant shown, the aircraft moves at $40\,\text{m s}^{-1}$. At what rate does its kinetic energy increase?
- A$2.4\,\text{MW}$
- B$8.0\,\text{MW}$
- C$12\,\text{MW}$
- D$20\,\text{MW}$
Physics 9702 · AS & A Level · Energy conservation