Accelerate - gravity will always try to pull the car downhill.
idle air control valve
These two cases are represented by "positive" acceleration. The opposite cases (slowing down in the positive direction or speeding up in the negative direction) are represented by "negative" acceleration.
It slows down.
That is called gravity.
Gravity.
This is known as inertia. When the bus is acted upon by an unbalanced force the inertia of the bus differs but not of the person who is standing. So the person continues to be moving forward even if the bus decelerates suddenly until friction acts upon the person or the person catch holds of something and vice versa when the bus accelerates.
It's not a stimulant, it's a perturbator. Your heart rate accelerates but your movements slow down.
When the throttle is opened wide, it accelerates down the runway.
Your car is gearing down to first and to do that it has to rev a little
A faulty fan clutch.
Potential energy is converted into kinetic energy
Ph level accelerates enzymes and temperature slows the process down