At the bottom of a ramp, Brad hits a patch of loose gravel and wipes out. Kirsten applies her brakes quickly to avoid hitting him. She is travelling at 6.5m/s when she applies her brakes and she accelerates at -2.6m/s^2. How long (time) does it take her to stop?
Please use the
G
U
E
S
S
S
method for this!
pleeease.