Is astronaut t travel to the moon and back to earth 144 hours how many kilometers per hour do they travel?

To calculate the average speed of an astronaut traveling to the Moon and back in 144 hours, we first need to know the average distance to the Moon, which is about 384,400 kilometers one way. The round trip distance is approximately 768,800 kilometers. Dividing this total distance by the travel time of 144 hours gives an average speed of about 5,347 kilometers per hour.