Re: "then increased the amount of electrons running through their prototype."
"they increased the speed of the electrons (current)"
They did WHAT ?
1 Ampere is the flow of electric charge across a surface at the rate of 1 Coulomb per 1 second.
1 Coulomb is equivalent to the charge of approximately 6.242×10^18 protons.
To increase current to 2 A you need 2 Coulombs per second, which means you need double amount of protons. To fit all those protons you need thicker wire, not longer.