okay I really don't know how to quote people, but nigel45 says that "We're talking miles and miles and miles of distance between Storm and Flash for any of that to work in accordance with that equation."
Not necessarily, we all assume that dc has ignored the laws of physics and the flash doesn't need to accelerate. So he has to start out at zero before he can reach subluminal speed. Yeah I have seen what he can do in the comics, which is a mathematical impossibility in most cases. but we have to assume that he is not always moving at light speed it requires to much energy. He may be standing still, or cruising at 350mph. I know about that famous aura that they invented to explain his powers. it doesn't explain a lot of things. Like how can he breathe at that rate of speed. That's why when you look at old school speedster they can only go 100mph. Humans can't breathe in open air at mach 1. Not even at 300mph. Anyway you have seen nightwing in the comic catch wally with a bola, and kid flash get shot in the knee by deathstroke. He can't run at lightspeed forever. And since storm is going all out in an open area--there is nowhere to run and nowhere to hide. even throwing objects at light speed will not work because once it leaves his aura it is subject to friction, torrent winds, rain, hail and the durability of storms x-suit. he might as well try to hit her with a piece of paper and a rubberband.