Projectile Motion airplane final speed

[black_hole]

Homework Statement

An airplane flying 914 m above the ocean at 116 km/hr is supposed to drop a box of emergency supplies to the survivors of a shipwreck on an island. At what final speed will the supplies land on the island?

Homework Equations

The Attempt at a Solution

So Vx = 32.222 m/s, is Voy = 0 m/s?
a = -9.8 m/s/s and y = -914 m?

So I did Vfy^2 = Voy^2 +2ay and got -133.845 m/s, but that is not right...

 

[Doc Al]

So I did Vfy^2 = Voy^2 +2ay and got -133.845 m/s, but that is not right...

That's just the y-component of the velocity. Combine it with the x-component to figure out the speed.