You are driving through town at 14 m/s when suddenly a car backs out of a driveway in front of you. You apply the brakes and begin decelerating at 3.3 m/s2.

PART B)How much time does it take to stop?After braking half the time found in part A, is your speed 7.0 m/s, greater than 7.0 m/s, or less than 7.0 m/s
PART C)Find your speed after braking half the time found in part A.

PLS HELP ME WITH PART C I DID A AND B THANKS!