As water flows from a low elevation to a higher elevation through a circular pipe. The
diameter of the pipe at the low elevation is 5.0 cm, and that at the higher elevation is 3.0 cm. The
speed of water at the higher elevation is
(a) faster than the speed at the low elevation.
(b) slower than the speed at the low elevation.
(c) the same as the speed at the low elevation.
(d) not enough information.