File:S2 Swim Speed Up Chart.png

Formula
A = Ability Points = 10 &times; Mains + 3 &times; Subs

Swim Speed with Light Weapon (DU/f) = [base speed] &times; (1 + (0.99 &times; A &minus; (0.09 &times; A)2 ) / 150)

Swim Speed with Normal Weapon (DU/f) = [base speed] &times; (1 + (0.99 &times; A &minus; (0.09 &times; A)2 ) / 120)

Swim Speed with Heavy Weapon (DU/f) = [base speed] &times; (1 + (0.99 &times; A &minus; (0.09 &times; A)2 ) / 80)