A person in a lift is holding a water jar which has a small hole at the lower end of its side. When the lift is at rest, the water jet coming out of the hole hits the floor of the lift. What can be inferred about the motion of the lift?
a. The lift is accelerating upward.
b. The lift is accelerating downward.
c. The lift is moving with constant velocity.
d. The lift is decelerating.