Today, amusement park owners continuously try to outdo each other with bigger and better coasters. they believe that the more screaming their patrons do, the better the ride. although the new rides of the day are going beyond what many thought was possible, it is all a matter of science. so, the next time you find yourself about to plunge down a gigantic roller coaster hill, try to think about the science of the amazing ride. or, if you can’t stomach that much thought, just hold on and enjoy the ride.

the concluding sentence of this article is most likely meant
a) to provoke fright in the reader.
b) to emphasize that coasters are fun.
c) to create a sense of the importance of physics.
d) to make sure the reader understands the science involved.