A frustrated office worker throws his laptop out of his business’s high-rise

Question

office building. The height, h, in meters of the laptop above the ground at t
seconds can be modelled by
h(t)=125=125-5t^2
Estimate the instantaneous rate at which the laptop hits the ground.

Answer 1

Where is there a high-rise with windows that open?

Anyway -- Graham has just answered your question.

http://www.jiskha.com/display.cgi?id=1374270782