Solve the below problem in detail and use APA format:
Q: An idealized velocity field is given by the formula V=4txi-2t2yj+4xzk
Is this flow field steady or unsteady? Is it two- or three-dimensional? At the point (x, y, z) = (-1, +1, 0), compute
(a) The acceleration vector and
(b) Any unit vector normal to the acceleration.