Water emerges from a faucet at a speed of 0.7 m/s. After falling a short distance, its speed increases to 4.899999999995 m/s as a result of?

(a) By what number would you multiply the original cross sectional area of the stream to find the area at the lower position?

**The answer is not a number value but "Two words" that I can t figure out.
Update: Water emerges from a faucet at a speed of 0.7 m/s. After falling a short distance, its speed increases to 4.8999999999999995 m/s as a result of gravitational acceleration.
(a) By what number would you multiply the original cross sectional area of the stream to find the area at the lower position?
5 answers 5