# Calculating Velocity Using a Position Function

Please explain how to calculate the velocity of a projectile shot upward from the surface of the earth with an initial velocity of 120 m/s after 5 seconds and after 10 seconds using a position function of s(t) = -4.9(t^2) + Vo(t) + So.

#### Solution Summary

A position function is used to calculate velocity. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

$2.19