Bode made a rocket using an empty plastic bottle and fins made out of cardboard. After partially filling the bottle with water, he pumps air into the bottle using a pump attached to the rocket with plastic tubes. When the pressure in the bottle becomes high enough, the water gushes out and launches the rocket into the air, as shown in the diagram below.

How does the force that causes the water to leave the rocket compare to the force that causes the rocket to launch?
A.
They are unequal and act in opposite directions.
B.
They are equal and act in the same direction.
C.
They are equal and act in opposite directions.
D.
They are unequal and act in the same direction.