Fun little GDP growth scenario

http://money.cnn.com/news/economy/g20/interactive/index.html?cnn=yes
Check it out, it's interesting. If I were to ask you what are the three largest economies in the world, what would you say?

If I were to ask you what were the three fastest growing economies in the world, what would you say?

According to article "Currency Wars,"
http://edition.cnn.com/2010/BUSINESS/11/11/currency.war.trade/index.html?iref=obinsite

"A Pew Research Center poll last year found that 44 percent of Americans already thought China had become the world's number one economic power. Only 27 percent knew that the U.S. economy is still on top, nearly three times the size of China."

Do you know who's on top? =)