So there is a list of mods that you can pay for that will make it go faster
https://sites.google.com/site/mikefocke2/itisn%27tfastenough
Brakes shouldn't be loud. Typical problems are a stone caught in them or worn pads and or rotors. For the first, try backing up. For the second, there are DIY instructions available or a mechanic can do it for you.