# An object's two dimensional velocity is given by #v(t) = ( t^2 - 2t , 1- 3t )#. What is the object's rate and direction of acceleration at #t=7 #?

##### 1 Answer

Mar 13, 2018

#### Answer:

The rate of acceleration is

#### Explanation:

The acceleration is the derivative of the velocity

When

The rate of acceleration is

The angle is