Wltoys 104001 Brushless Going from 3S to 6S power. What speeds will we get? First on 22T pinion gear, and then on 27T.

ESC: Spektrum Firma 150A Smart ESC 36s
MOTOR: Surpass 2900kv motor
SERVO: 9kg Surpass servo

Other Specs and what not: MOD1 SPUR gear 32T. Topped up the front & rear diff with 10k. Conversion combo bought from banggood.com, but I replaced the 80A ESC with the Spektrum FIRMA 150A. (link: https://bit.ly/2RLak3i)