the correct answer is 7.24
a(t) = 1.87
v(t) = 1.87t
x(t) = 1.87 / 2 t^2
final velocity = time, when x(t) = 14
so, 1.87 / 2 t^2 = 14
tƒ = √28 / 1.87
vƒ = 1.87 * √28 / 1.87
I got this answer from another person and it helped me so hopefully it helps someone else too!!