One photo that shows the difference between amateurs and pros hitting a golf ball

Golf has a problem: people are hitting the ball too far : NPR

Golf Ball Selection 101: How to Choose the Right Ball for Your

Golf Club Distances: How Far Should You Hit Your Irons?

Why is this true - many golf balls have a wound-up ball of rubber band material inside? - Quora

What is the initial acceleration of a golf ball from a drive from the tee? - Quora

The difference between professionals and amateurs is in the ground

So the USGA and R&A Want a Golf Ball Rollback. Now What?

The Purpose and Benefits of a Golf Ball Fitting

The PGA is reining in long hitters with new golf balls