In 2021, Australia's GDP growth rate was 3.4% which is much higher than its 10-year average. In 2021, the US GDP growth rate was 5.7%, the fastest full-year clip since 1984. Assuming there are only two countries in the world, Australia and US, and other things are fixed, please use appropriate diagrams or theories to predict the movements of the nominal value of the Australian dollar against the US dollar. Note that the actual movement of AUD/USD exchange could be different from your prediction because of the assumptions.