A Skier Leaves a Ski Jump with a Horizontal Velocity

Multiple Choice

A skier leaves a ski jump with a horizontal velocity (and no vertical velocity component) .If the magnitude of the horizontal component of her velocity the instant before she lands two seconds later is 15.0 m/s,what was the horizontal component of her initial velocity

A) 24.0 m/s.
B) 19.6 m/s.
C) 15.0 m/s.
D) 43.6 m/s.
E) 0 m/s.