rapidly

She was a good deal frightened by this very sudden change, but she felt that there was no time to be lost, as she was shrinking rapidly; so she set to work at once to eat some of the other bit.

He watched her for a moment, walking rather rapidly eastward, and then he found a cab to drive him slowly homeward.

Between times Anne grew, shooting up so rapidly that Marilla was astonished one day, when they were standing side by side, to find the girl was taller than herself.

“My ideas flow so rapidly that I have not time to express them; by which means my letters sometimes convey no ideas at all to my correspondents.”