Part 1

A motorist traveling at 17 m/s encounters a deer in the road 48 m ahead.
If the maximum acceleration the vehicle’s brakes are capable of is −5 m/s^2, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer? Answer in units of s.

Part 2
If his or her reaction time is 1.29353s, how fast will (s) he be traveling when(s)he reaches the deer? Answer in units of m/s

I got that part 1 is 1.123s but i can't figure out part 2. Help??????