Which of the following represents the correct relation between displacement velocity and diameter of the particle?

Which of the following represents the correct relation between displac

1.	Which of the following represents the correct relation between displacement velocity and diameter of the particle?
A.	v1 = (8Bg (G-1) d/f)^1/2
B.	v1 = (8Bg (G-1) d2/f)²
C.	v1 = (8Bg (G-1) d/f)
D.	v1 = (8Bg (G-1) d/f)²
Answer» B. v1 = (8Bg (G-1) d2/f)²