For a double acting cylinder with a stroke of 6 inches, a piston diameter of 2.5 inch, a piston rod diameter of 0.5 inch and 670 rpm, the piston displacement value is:
Select one:
a. 11.0 CFM
b. 18944 CFM
c. 0.017 CFM
d. 11.4 CFM
e. 22.8 CFM
f. 38677 CFM
g. 0.016 CFM
h. 19733 CFM
i. 224 CFM