Speed
Examples of different speeds

Speed

Section Title: Examples of different speeds
Table Section Text: None

Speed	m/s	ft/s	km/h	mph	Notes

Approximate rate of continental drift	0.00000001	0.00000003	0.00000004	0.00000002	4 cm/year. Varies depending on location.

Speed of a common snail	0.001	0.003	0.004	0.002	1 millimetre per second

A brisk walk	1.7	5.5	6.1	3.8

A typical road cyclist	4.4	14.4	16	10	Varies widely by person, terrain, bicycle, effort, weather

A fast martial arts kick	7.7	25.2	27.7	17.2	Fastest kick recorded at 130 milliseconds from floor to target at 1 meter distance. Average velocity speed across kick duration

Sprint runners	12.2	40	43.92	27	Usain Bolt's 100 metres world record.

Approximate average speed of road cyclists	12.5	41.0	45	28	On flat terrain, will vary

Typical suburban speed limit in most of the world	13.8	45.3	50	30

Taipei 101 observatory elevator	16.7	54.8	60.6	37.6	1010 m/min

Typical rural speed limit	24.6	80.66	88.5	56

British National Speed Limit (single carriageway)	26.8	88	96.56	60

Category 1 hurricane	33	108	119	74	Minimum sustained speed over 1 minute

Speed limit on a French autoroute	36.1	118	130	81

Highest recorded human-powered speed	37.02	121.5	133.2	82.8	Sam Whittingham in a recumbent bicycle

Muzzle velocity of a paintball marker	90	295	320	200

Cruising speed of a Boeing 747-8 passenger jet	255	836	917	570	Mach 0.85 at 35000 ft (10668 m) altitude

The official land speed record	341.1	1119.1	1227.98	763

The speed of sound in dry air at sea-level pressure and 20 °C	343	1125	1235	768	Mach 1 by definition. 20 °C = 293.15 kelvins.

Muzzle velocity of a 7.62×39mm cartridge	710	2330	2600	1600	The 7.62×39mm round is a rifle cartridge of Soviet origin

Official flight airspeed record for jet engined aircraft	980	3215	3530	2194	Lockheed SR-71 Blackbird

Space shuttle on re-entry	7800	25600	28000	17,500

Escape velocity on Earth	11200	36700	40000	25000	11.2 km·s−1

Voyager 1 relative velocity to the Sun in 2013	17000	55800	61200	38000	Fastest heliocentric recession speed of any humanmade object. (11 mi/s)

Average orbital speed of planet Earth around the Sun	29783	97713	107218	66623

The fastest recorded speed of the Helios probes.	70,220	230,381	252,792	157,078	Recognized as the fastest speed achieved by a man-made spacecraft, achieved in solar orbit.

Speed of light in vacuum (symbol c)	299792458	983571056	1079252848	670616629	Exactly 299792458 m/s, by definition of the metre

Sentence(s)

The speed of light in a vacuum c is 299792458 meters per second.

final_sentence: The speed of light in a vacuum c is 299792458 meters per second.