Quite fast, a day on Jupiter is 9.925 hours long.
No, fast has a short a sound
diffusion of materials over long distance is fast
to run fast and to run fast on trees it nees long neck
The fast moving mammal with long ears is the hare, relative of the rabbit.
Very fast. As long as you are faster, you have no problems.
The A in "fast" is a short A sound. (The long A would make it sound like faced.)
on a fast computer about 2-5 seconds
The Daniel fast lasted 3 weeks (21 days)
It has long legs
It depends on how fast your computer is and how fast your internet speed is but it shouldn't take long normally.
for 40 days and nights