What is the approximate resultant total acceleration at the point (3, 2) and t = 2?

Question

The components of velocity in a. two dimensional frictionless incompressible, flow are u = t² + 3y and V = 3t + 3x. What is the approximate resultant total acceleration at the point (3, 2) and t = 2?

a. 5                  b. 49               

c. 59                d. 54