"My, but we're going some," called Farnum.
"Fifty miles," replied the chauffeur. "Now, I'll show you sixty."
The car seemed to leap forward. Then, it seemed to those in the tonneau as though they were beating any speed ever reached by an express train.
Whizz-zz! It was wild, exhilarating—dangerous!
"Say!" gasped Farnum. "If—"
That was as far as he got. The forward end of his side of the car sank to the ground. The car seemed trying to stand on its head.
Then it stopped, and all in it were hurled into the center of awful disaster.
CHAPTER XIII
THE TRICK IS EASILY SEEN THROUGH
In the next instant all had settled.