In three paragraphs me argue for or against the limitation of speed limits .

It's much easier to argue FOR speed limits.  I'll give you some points and you can expand them in your own words.  It looks better.

Reducing your driving speed means that any accident you might have is likely to be less severe.

Reducing driving speed reduces the numbers of accidents.

Reduction in accidents means less cost for health care and productivity, as well as less expense in vehicle repairs.

I don't think anyone would write half an essay for you

They speak to our irrational side.  They free our imagination and make us childlike.  They allow emotion to triumph over reason.  They remind us of the problem of evil.  They take us out of the safe, everyday world.  They stir our curiosity and excite us.  They cause an adrenaline rush.  They make us imagine the most dire ending.