Originally Posted by Mako

The ride in question isn't very intense. Any of the current top line coasters at a Six Flaggs park can generate up to 4gs of gravity during peaks, versus the 2gs that Mission Space creates.

The kid probably had something undisclosed and unknown, possibly a genetic heart issue, who knows what. Sad, but I'd be willing to bet he'd be one of those strange "Basketball deaths" ten years from now that you hear about, or some other physical activity.