find the volume of the solid obtained by rotating the region in the first quadrant bounded by the curves x=0, y=1, x=y^8 about the line y=1

Starting from 1.5 miles away, a car drives towards a speed check point and then passes it. The car travels at a constant rate of 53 miles per hour. Thedistance of the car from the check point is given by d=|1.5-53t|. At what times is the car 0.1 miles from the check point?