because it is going uphill and the engine has to work harder?
Gravity causes falling objects to accelerate.
Accelerate, motion is generated by applying force to mass.
have you checked to make shure that hte cruise control isn't on if your vehicle has one?
The side forces on the tires causes the vehicle to accelerate toward the center of the turn. If this doesn't answer your question, could you be a little more specific?
If it is a rear wheel drive vehicle it is either low oil in the rear end or an axle bearing. On a front wheel drive vehicle it is probably a bearing.
THRUST
the brakes
Well the vehicle is backfiring which can be caused by bad gas, spark plugs, or just needs some carburetor service.
The grid of time.
Speed, velocity.
If you accelerate and the transmission shifts to a lower gear of the overdrive disengages the RPMs will increase. If the vehicle has a manual transmission a slipping clutch will cause the RPMs to increase if the clutch is defective.
Yes. Water on a road causes something called hydroplaning, which makes it very difficult or impossible to steer, brake, or accelerate.