What is meant by Race around condition in JK flipflops

Digital electronics is one of the basic subject in electronics,flipflops is one of the most important topic in digital circuits in which students feel difficult in engineering.here we are providing a video tutorials from nptel which was taught by a IIT professors.
Keywords: race around condition in jk flipflops,how to eliminate race around condition,digital flipflops,latches and flipflops differences,condition of race around condition,RsS flipflops,D flipflops,T-flipflops videos online