@article{zhang_2013,  title={The change in the motions of the Earth and spacecraft launching: a college physics level analysis},  volume={35},  ISSN={1806-1117},  url={https://doi.org/10.1590/S1806-11172013000300015},  DOI={10.1590/S1806-11172013000300015},  number={3},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Zhang, Gengmin},  year={2013},  month={Jul},  pages={3315} }