Immediately after two similarly charged balloons that had been held very close to each other are released, they start to speed up and move away from each other. Which of the following statements regarding changes in energy is true in this situation?

A. The only energy change involves the change in the kinetic energy of the balloons.

B. The kinetic energy of the balloons is decreasing, while some other type of energy is also decreasing.

C. The kinetic energy of the balloons is decreasing, while some other type of energy is increasing.

D. The kinetic energy of the balloons is increasing, while some other type of energy is decreasing.

E. The kinetic energy of the balloons is increasing, while some other type of energy is also increasing.