PREPARE: check out the first video here: https://www.youtube.com/watch?v=eESNVHzk2oI
A)
1) Start ARMA 3
2) Select challenges - TT11 Downhill Rumble
3) Go full speed from start towards checkpoint 2 (see that it works correctly)
expected result: You can accelerate easily up to 134 KPH (as in the video)
actual result: You can accelerate up to ~121 KPH
B)
1) Start ARMA 3
2) Select challenges - TT11 Downhill Rumble
3) Go full speed from checkpoint 6 towards finish
expected result: You can accelerate easily up to 131 KPH (as in the video)
actual result: You are unable to go faster than 112 KPH