Heyo, decided to bump my old physics series because why not?

Anyways, I read a book, "The Physics of Superheroes." by James Kakalios, a physics professor at the University of Minnesota. He also wrote another very nice book "The Amazing World of Quantum Mechanics." Anyways, he explained why the Flash would die if he ran anywhere near the speed of light.

All you need is a basic understanding of two equations.
F=ma. Force is equal to mass times acceleration. Pretty simple, right?
Now onto something more advanced. E=mc^2. Energy equals mass times the speed of light squared. c^2 is a constant, APPROXIMATELY equal to 9, followed by 16 0's. This proved the equivalence of Energy to Mass. Say, blah blah much energy is equal to blah much matter and blah much antimatter. So why C^2? The mass produced is several trillion times greater than the energy put in. So all you really need to know from the above paragraph is that a little energy can create a lot of mass.

Okay, so the Flash is running, say, from Barney. So after he reaches a certain speed, his terminal velocity, per se, his acceleration starts to increase, but the force of his legs hitting the ground would cease to increase (or his bones would shatter.) So in F=ma, his acceleration increases and his force isn't. In order to balance the equation, you must increase his mass. And as we already know, a little bit of that kinetic energy can be converted into a LOT of matter. So the Flash would become so heavy, he'd just.. die.

This is also proven in a certain Flash issue where he saves the citizens of an island by running and carrying each and every person to safety from a volcano eruption. Why he couldn't just run in a circle and siphon the lava through a vaccum into the water, we'll never know.

Too bad he'd never even be able to run since he'd have to eat a few billion cheeseburgers to just run a fraction of his max speed. But who cares? It's just a comic!
That's all for now.