[AvaStIn]

hello guys,i was hoping that someone can help me out, i need a plugin to change the forward speed of player like this:
1- he says: /speed
2- costs 16000$ of money.
3- changes default forward speed from 250.0 Unit/sec to 1000.0 Unit/sec , until he dies, and it comes back normal...
if still dont get it , just ask me , i think its clear , i appreciate anything would help