There are optimal velocities for different types of pitches. For instance, you want your change-up to be thrown at a slower speed than your fastball. Pitchers' velocities often vary. Tim Wakefield, a knuckleballer of the Boston Red Sox, for instance, has a slow fastball, clocking in the high 70s at most.
Green Climate Fund (GCF) The GCF is an operating entity of the financial mechanism of the Convention and is accountable to and functions under the guidance of the COP.
The Copenhagen Consensus Center is a think-tank based in Denmark that tells governments and philanthropists around the world about the best ways to spend aid and d â¦ evelopment money.     We commission research that analyzes the optimal ways to combat the biggest problems facing the world.