Difference between Slow Down and Gear Down

SLOW DOWN vs GEAR DOWN: VERB

To arrange a system of gear wheels or pulleys etc such that the driven part rotates or moves slower than the driving part

Back off, Speed limit, Speed up, Slow up, Unlax, Slack, Slacken, Unwind, Decompress, Unbend, Decelerate, Relax, Loosen up, Slow, Retard

Rotate, Contrarotation, Circumvolution, Counterwheel, Polyspast, Homodromous, Trundlehead, Circumgyrate, Planet wheel, Mechanical advantage, Epicyclic gear, Wheel and axle, Differential gear, Gear ratio, Gear wheel

Stay off, Go back, Catch up, Back off, Speed up, Slow up, Slack, Slacken, Decompress, Unbend, Decelerate, Relax, Loosen up, Slow, Retard

Rotate, Contrarotation, Circumvolution, Counterwheel, Polyspast, Homodromous, Trundlehead, Circumgyrate, Planet wheel, Mechanical advantage, Epicyclic gear, Wheel and axle, Differential gear, Gear ratio, Gear wheel

Slow down and shift down to a speed that you can controlwithout using the brakes hard.
Time Stop: Slow down the passage of time so slow it eventually freezes, stunning all enemies in the area.
It is likely that traffic will slow down, or even stop, further down the road.
Fortunately, you can combat the risk of bloat by helping your Labrador slow down their rate of eating with a slow feeder.
OTR and yes things do slow down a bit after the holidays but at least when I was there they were really never slow.
Slow debuff, which can greatly slow down a player, even if just for a second.
Does it force you to sit down, lie down, slow down?
The problem is so severe that it will even slow down my internet feed and slow down other excel files I have open.
They gradually slow down, forcing pursued vehicle to slow down by allowing no outlet.
When i slow down to turn a corner, or slow down for a traffic light, going at a slow speed from approx.

We got our gear down in the bottom of the creek.
Above me, a jumbo jet roared, its gear down, on final approach to the airport.
After selecting gear down the transit light is illuminated for a set period of time.
For landing on most other surfaces, you want the gear down.
Gear down and unwind with one of our routes!
RPM before throttle application in the next gear down.
Subaru we have the process and best gear DOWN.
In anemergency, draw in the clutch, gear down, apply the frontbrake, and push down on the back brake all at the sametime.
Once satisfied, I gradually and deliberately slowed the aircraft down, bringing flaps and gear down in measured intervals.
Sullenberger: Yes, and I think every pilot pretty much knows the basics that you land in the water gear up, not gear down.