category  speed (km / h)  speed (mph)                                vehicle                                    pilot         date
0                     rocket - powered aircraft          7258.0      4510.00                  north american x - 15                         william j knight   3 oct 1967
1                  manned air - breathing craft          3530.0      2194.00             lockheed sr - 71 blackbird                           eldon w joersz  28 jul 1976
2                   propeller - driven aircraft           870.0       541.00                       tupolev tu - 114                         ivan soukhomline  00 jan 1960
3  piston - engined propeller - driven aircraft           850.1       528.33  grumman f8f bearcat rare bear (n777l)                             lyle shelton  21 aug 1989
4                                    helicopter           401.0       249.10             westland lynx 800 g - lynx                            john egginton  11 aug 1986
5                            glider (sailplane)           306.8       190.60           schempp - hirth nimbus - 4dm  klaus ohlmann and matias garcia mazzaro  22 dec 2006
6                      human - powered aircraft            32.0        19.80                          mit monarch b                          frank scarabino   1 may 1984

Table as JSON:
{"category":{"0":"rocket - powered aircraft","1":"manned air - breathing craft","2":"propeller - driven aircraft","3":"piston - engined propeller - driven aircraft","4":"helicopter","5":"glider (sailplane)","6":"human - powered aircraft"},"speed (km \/ h)":{"0":7258.0,"1":3530.0,"2":870.0,"3":850.1,"4":401.0,"5":306.8,"6":32.0},"speed (mph)":{"0":4510.0,"1":2194.0,"2":541.0,"3":528.33,"4":249.1,"5":190.6,"6":19.8},"vehicle":{"0":"north american x - 15","1":"lockheed sr - 71 blackbird","2":"tupolev tu - 114","3":"grumman f8f bearcat rare bear (n777l)","4":"westland lynx 800 g - lynx","5":"schempp - hirth nimbus - 4dm","6":"mit monarch b"},"pilot":{"0":"william j knight","1":"eldon w joersz","2":"ivan soukhomline","3":"lyle shelton","4":"john egginton","5":"klaus ohlmann and matias garcia mazzaro","6":"frank scarabino"},"date":{"0":"3 oct 1967","1":"28 jul 1976","2":"00 jan 1960","3":"21 aug 1989","4":"11 aug 1986","5":"22 dec 2006","6":"1 may 1984"}}