"Oh, say ... 30,000 miles an hour?"
Brad calculated rapidly and put down his abacus. "At this rate it'll
take us 14 years just to get out of our own lousy solar system!" he
barked. "Faster!"
Ugh said Yes, Sir, and vice versa. Then he upped the speed to 186,000
miles per second and came back and shyly told Brad.