Originally Posted by BlazingPedals

Probably true. One year I was doing BRAT and had installed a 58T chainring especially for the ride. On the last day, I was coasting down a moderately large but not particularly steep hill and noted that my speed had topped out at 49 mph. "That's not going to do..." I thought, and spun up high gear to 51 mph. That was a lot of effort for only 2 mph... but worth it!