HOW DO I KILL HIM

I NEED SOME HELP ON THE LEVEL WHERE YOU BLOW UP THE BOMB AND THE GUY IN THE RED CAPE GOES FLYING INTO THE SPIKES I NEED HELP ON HOW YOU KILL THE THIRD ZOMBIE I CANT CAUSE THERES A METAL WALL IN THE WAY

IVE NEVER PLAYED THIS GAME WHATS IT ABOUT

THIS GAME IS SO COOL