1. Speed of moving object

The height s (in feet) of an object fored strait up from ground level with an initial velocity of 120 feet per second is given by s = -16t^2 + 150t, where t is time in seconds. How fast is teh object moving after 5 seconds?

2. Originally Posted by dumplings
$v = \frac{ds}{dt} = -32t + 150$