Aim Stamina is the ability to aim quickly and accurately to each circle far away from each other as fast as possible. Unlike tapping stamina, Aim Stamina only benefits circles that are not only distanced far away enough from each other, but also have sharp angles.
t+pazolite & Camellia feat. Nanahira - Boku no Yume, Mecha Kuso Mugen Waki ยท beatmap info | osu!
We start with measuring the velocity in the unit $o!px/ms \cdot 10$:
$$ a_{imDiff} = 10\cdot \frac{DiffHit.JumpDistance}{DiffHit.DeltaTime} $$