Your turn the speed of the engine up, the car's speed goes up.
Your turn the speed of the engine up, the car's slowness goes down.
You turn the heater up, the air's temperature goes up.
You turn the heater up, the coolness of the air goes down.
You turn the A/C up, the coolness of the air goes up.
You turn the A/C up, the air's temperature goes down.
You turn the cock up, the troat's width goes up.
Or something.