A Projectile Is Shot Upwards from the Surface of the Earth

A projectile is shot upwards from the surface of the earth with an initial velocity of 122 meters per second. The position function is . ​
What is its velocity after 3 seconds?
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A) The velocity after 3 seconds is 229.3 meters per second.
B) The velocity after 3 seconds is -136.7 meters per second.
C) The velocity after 3 seconds is 92.6 meters per second.
D) The velocity after 3 seconds is 107.3 meters per second.
E) The velocity after 3 seconds is -151.4 meters per second