Original sentence: Infinite Mass Punch - Introduced under Grant Morrison's run in the JLA title, Flash, travelling near the speed of light acquired the relativistic mass of such speed to impart blows which could hit with the force of "a white dwarf star," Flash's own durability is regulated by the Speed Force in such cases
Edited sentence: Infinite Mass Punch - Introduced under Grant Morrison's run in the JLA title, Flash, travelling near the speed of light acquired the relativistic mass of such speed to impart blows which could hit with the force of "a white dwarf star" (almost certainly hyperbole, nonetheless quite hard indeed), Flash's own durability is regulated by the Speed Force in such cases