Do you have slow swing speed? Check out our guide and select the best golf for 70 mph swing speed and witness the change in the performance! What’s your average swing speed when you hit the club? Well, if that is around 60-70 mph then going for the best golf ball for 70 mph swing speed can be a good option to try. When you go to shop for a golf ball, you’d be surprised by the amount of different choices. Golf balls come in a variety of different parameters which can be both good or bad for you in real life.