“Research shows a typical A-cup boob weighs in at 0.43 of a pound. Every additional cup size adds another 0.44 of a pound. That means a hurdler with a double-D chest carries more than 4 pounds of additional weight with her on every leap. And when they get moving, the nipples on a C- or D-cup breast can accelerate up to 45 mph in one second — faster than a Ferrari. In an hour of moderate jogging, a pair of breasts will bounce several thousand times.” Don’t you want to read this story now.