Why it flies straight

Point the arrow down your target line. The dimples are shallow around the equator, deep toward the poles and small on the spin axis, and together they bring the ball’s spin into line with that arrow. A robot hit the same slice at 95 mph: the leading competitor curved 80 ft, the Ultimate Straight 21 ft.

35 seconds, no sound

Rather go through it a step at a time? Scroll the same film, with the captions