Watch the Week 4: Typewriter Guitar - Part 1 online guitar lesson by Roberto Dalla Vecchia from Flat Out Flatpicking
Here's an exercise to develop coordination and synchronization between the hands as well as alternate picking technique on the guitar. Focus all your attention on articulation. Each movement of your fingers should be lighting fast, even when you practice at a slow tempo. Try to memorize the first line and understand the pattern behind it, you'll learn the whole tune a lot faster.