http://www.ProjectVelocitySystem.com Critical Chain Project Management based on Goldratt Theory of Constraints. This Theory of Constraints video on Goldratts Critical Chain Project Management CCPM explains how to get MORE projects DONE faster. This video covers 1) why itâÂÂs so difficult to get projects done on-time; 2) how to select the right projects (or prioritize jobs); and 3) how to get MORE projects DONE faster with Project Velocity System for project based companies including service companies.