Two satellites of masses 100kg and 200kg are revolving the earth at attitudes 6400 km and 44800km. The ratio of orbital velocity of the satellites is:

Two satellites of masses 100kg and 200kg are revolving the earth at at

1.	Two satellites of masses 100kg and 200kg are revolving the earth at attitudes 6400 km and 44800km. The ratio of orbital velocity of the satellites is:
Answer» `1:2` `2:1` `1:4` `4:1` ANSWER :B