Normal.

Shoot, sometimes I even start in 2nd. There shouldn't be any exact amount, depends on how aggressive you drive, sometimes I rev 1st all the way to 6k or 7k and jump to 4th. Practice makes perfect, it's all on how you like to do it.

It just takes time, at first I always hated going to second, but now I'm used to it and its really smooth. No more clunking