A projectile is fired upward, so its vertical velocity will Slow down, stop, speed up.
Speed up, stop, speed up.
Slow down, stop, slow down

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.