A skier is accelerating down a 30.0 ^circ hill at 1.80{rm{m/s^2}}.

A skier is accelerating down a 30.0 ^circ hill at 1.80{rm{m/s^2}}. How long will it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 425 {rm m}?