It Is Known That Pulsars Tend to Slow Their Rotation

Essay

It is known that pulsars tend to slow their rotation as they age, albeit at a very, very slow rate (they are considered by far the most accurate clocks in the universe, in fact).Some extreme pulsars, however, rotate hundreds of times per second (they are hence called millisecond pulsars) and were discovered in globular clusters.They spin faster than most blenders, mixers, and other kitchen gadgets with rotating parts.What would be a reasonable explanation that you could infer from the figure shown below?