# An object's two dimensional velocity is given by #v(t) = (3t-sqrtt , 2t-4 )#. What is the object's rate and direction of acceleration at #t=a #?

##### 1 Answer

Mar 12, 2017

#### Answer:

The rate of acceleration is

#### Explanation:

The acceleration is the derivative of the velocity

Therefore,

The rate of acceleration is

The direction is