Comparison b/w Speed of Earth rotation and revolution ,Speed of Bullet and Sound

Comparison b/w Speed of Earth rotation and revolution  ,Speed of Bullet and Sound

Average Speed of Bullet		Speed of Earth		Speed of Sound
300	Km/Hr	108,000.0	Km/Hrs	1225.04	Km/Hrs
5	Km/Minute	1,800.0	Km/min	20.42	Km/min
0.0833	Km/second	30.0	Km/Sec	0.34	Km/Sec

http://astroquizzical.com/post/95879306898/is-the-speed-of-a-fired-bullet-the-same-in-space