The first lap, I chased to within a hundred yards of Natalie. I couldn't tell if she was just messing around - or if she was pretending like she was waiting for the green flag at the dirt track - as her car gently swerved back and forth. Jason chuckled but didn't say anything.

As we crossed the starting line, however, Natalie straightened out - and took off like a comet. I was already running 50MPH but I floored it and took off after her. The car accelerated so quickly that my head was forced back against the head-rest.

"Sweet," I growled.

Jason chuckled again.

We swooped back around to...