The Lacey's regime velocity is proportional to
A
$${{\text{R}}^{\frac{1}{2}}}{{\text{S}}^{\frac{3}{4}}}$$
B
$${{\text{Q}}^{\frac{3}{4}}}{{\text{S}}^{\frac{1}{3}}}$$
C
$${{\text{R}}^{\frac{3}{4}}}{{\text{S}}^{\frac{1}{3}}}$$
D
$${{\text{R}}^{\frac{2}{3}}}{{\text{S}}^{\frac{1}{2}}}$$
Correct Answer: $${{\text{R}}^{\frac{3}{4}}}{{\text{S}}^{\frac{1}{3}}}$$