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"This is credited to Iwandesu from OBD wiki"
Okay, first to upgrade Lucy to low LOW hypersonic.
1. The gun Drake had, is a type 47 long range hunting rifle. http://fairytail.wikia.com/wiki/Type_74_Long-Range_Rifle.
2. Since it's a long range, it's just like modern hunting rifles.
3. The muzzle velocity for modern hunting rifles are 5,600 ft/s
4. 5,600 ft/s = 4.976327 mach.
5. Rounded up to 5 mach.
6. 5 mach = hypersonic.
7. The speed you would need to stop the bullet at point blank range is probably EVEN HIGHER but we'll keep it at mach 5 for now.
Okay, first to upgrade Lucy to low LOW hypersonic.
1. The gun Drake had, is a type 47 long range hunting rifle. http://fairytail.wikia.com/wiki/Type_74_Long-Range_Rifle.
2. Since it's a long range, it's just like modern hunting rifles.
3. The muzzle velocity for modern hunting rifles are 5,600 ft/s
4. 5,600 ft/s = 4.976327 mach.
5. Rounded up to 5 mach.
6. 5 mach = hypersonic.
7. The speed you would need to stop the bullet at point blank range is probably EVEN HIGHER but we'll keep it at mach 5 for now.