The volume of a cylinder is equal to the multiplication of the area of its circular base, times its height. The area of the base is equal to pi*radius^2, so we have:
v = h*pi*r^2
h is height, r is radius, lets put the data into the equation:
v = h*pi*r^2
v = 4.9*3.14*2.2^2
v = 74.47 yd^3