The same way we either run or walk slowly. they either can't go any faster of just dont want to.
Glaciers move slowly.
flies can only see quick movement so if you get a ruler, let it land and then move slowly to wards it and you can cut it in half or you could slowly move towards it and swat it, it sounds so simple but is really fun. never drown a fly cause they come back to life again afterwards, it's true. try it if you don't believe me.
yes pretty slowly
Slowly
Glaciers move slowly.
Glaciers move slowly.
slowly
They move slowly in the day from the predators but quite quickly in the night because it will be dark.
Fairly slowly
Yes, they move slowly over time.
tiptoe
yes they do