How do I beat the time limit in mission 12 of Transformers Revenge of the Fallen Decepticons nintendo ds game?

I am having trouble beating the time in order to activate both missiles. Can anyone please help with pointers or cheats in order to get pass this level. Thanks!How do I beat the time limit in mission 12 of Transformers Revenge of the Fallen Decepticons nintendo ds game?www.gamefaqs.com has cheats for every possible game