Welcome to Play Smart, a regular GOLF.com game-improvement column that will help you become a smarter, better golfer. If you want to hit longer drives, understanding how power is created is crucial. If you don’t understand the “how,” you’ll never be able to execute a powerful swing efficiently. This is something I’ve learned through my own speed-training journey. I’ve had to not only train my body to swing faster, but also train my mind to understand how to do so efficiently. It’s pretty fun when you have one of those lightbulb moments. All of a sudden, your speed will jump a couple of ticks on the radar — all from trying a new swing feel. One such swing feel is explained below, courtesy of...