Question: An American amateur parachute jumper who reached 123,500 feet with his strato jump, had his record beaten by an Austrian skydiver who is best known for jumping to Earth from a helium balloon on what date?
Sentence (from "Felix Baumgartner"): Doing so, he set world records for skydiving an estimated 39 km , reaching an estimated top speed of 1357.64 km/h , or Mach 1.25,
Relevant evidence: No