Actually, he is the fastest man alive on his Earth, and also, he hasn't used all his abilities yet, by saying he's the fastest man alive, he means he can be by working harder, basically
But it will show him go in to fight someone and get nearly beaten. Like, bitch no, I saw him watch a bolt of lightning as it slowly arced down toward Joe and then he unbuckled his seatbelt and got them both outta the car with no problem. He'd see that punch coming long before it would strike, no way he'd get hit by that bullshit.
The episode with the militarized bees bothered me so much. He's fast enough to grab bullets and run up buildings but those bees caught up to him so easy
http://thewatchseries.to/serie/the_flash_2014_