Q: 28 (CDS-I/2002)

The escape velocity of an object from the surface of the earth is 11.6 km/s. If the mass or the earth is increased four times, the resultant escape velocity would be
question_subject: 
Geography
question_year: 
2002
question_exam: 
CDS-I
stats: 
0,896,1088,232,720,320,712