It is comin in forrin cars when they get old and if your car is doing that it means that you should probaly take it to be looked at!
could be failing transmission
It sounds like the timing is set too high and needs to be lowered...
The car rattles when I go fast in it.
yes. No! Danger to stop in a wall or some car, cause it killing you, but not fast driving.
no
You aren't driving it well enough, or you aren't driving in a place where that speed can be reached.
it will just be driving at a steady speed where two opposite forces are equal andbalanced
Borrow your mama's car for the driving test.
A rattle, or rattles.
while driving yur car reduces speed then pulls off with speed and backfires what can cause that
because your going downhill
you crash