A rock is thrown horizontally on the Moon (where there is no air). The initial speed of the rock is v0.

Which of the following three statements is FALSE?

PINK: During the entire flight, the minimum speed of the bullet is v0.

YELLOW: The acceleration of the bullet is constant during its flight.

GREEN: The time it takes for the bullet to hit the ground increases, as v0 is increased.

(or PURPLE: None of the above statements is false, they're all true)