Yes
to help you get around faster than walking but slower than driving
Idle less, accelerate and drive slower
better fuel economy, and its better for your engine trans etc
A train stops and starts by the train Handel the man who's driving that train has a Handel that he pulls so the train can go faster and slower. Like up is faster (when he pulls) and down is slower.
No If the computer runs faster then it runs faster not slower
Idle less, accelerate easy, drive at a slower speed.
faster
no. It matters how old it is. No matter if it runs faster or slower.
Slower
slower
Slower
slower