Good afternoon, can someone help with this exercise? (read file)

Context: The Ariane 5 rocket is a launch vehicle developed and operated by the European Space Agency (ESA) to place satellites into geostationary orbits. On August 6, 2019, Ariane 5 successfully completed its 216th launch.

The public can watch the launch of this rocket on the AGAMI site of the Guiana space center located 7.5 km from the launch pad of the rocket.