Deeter says:
"Sprockets? You're asking me, about sprockets? Hmmm. Let's see. Okay, I'll try and keep this simple and easy to understand. A sprocket is just two letters short of a "rocket." Think "s" and think "p." Now, put them together: "sp." What's the first thing that comes to mind? "SPACE!" And next is "SPACESHIP! Are you starting to see the pattern? Finally, what is a rocket best known for? That's right! It's SPEED! YOU SEE! IT'S SIMPLE AS APPLE PIE! SPEED+SPACESHIP+SPROCKET=ROCKET TO THE MOON! YES!