# What is the average speed of an object that is still at #t=0# and accelerates at a rate of #a(t) =1-t# from #t in [0, 1]#?

##### 1 Answer

Apr 28, 2017

So:

Now here's where you have to be careful. That's the average **velocity** (**speed** (

We note:

So the particle stops at

And for

So, in this case, the average speed is also the average velocity.