44 foot skid from a jeep cherokee, how fast was it traveling.

d = 44 Ft.

g = 32 Ft/s^2
u = 0.50?
Vo = ?

a = u*g = 0.50 * (-32) = -16 Ft/s^2

V^2 = Vo^2 + 2a*d = 0
Vo^2 = -2a*d = -(-32*44) = 1408
Vo = 37.5 Ft/s.