Elton Johns Song about guy that witness a drowning kid?

"Rocket Man (I Think It's Going to Be a Long, Long Time)" by Elton John is the song you're looking for. Although the song doesn't specifically mention a drowning kid, it does tell the story of an astronaut who is reflecting on his life and career as he floats through space. The song's lyrics touch on themes of isolation, loneliness, and longing, and the music video for the song features a young boy who is watching the astronaut from Earth.