File:S2 Ink Resistance Up Chart.png

Formula
Run Speed in Enemy Ink (DU/f) = 0.32 &times; (1 + (0.99 &times; A &minus; (0.09 &times; A)2 ) / 15)

Note on unit of measurement: Distance Units (DU) are the game's internal unit of distance measurement. There are 50 DU per distance mark in the testing area. There are 60 frames (f) per second in the game.