The Brazilian free-tailed bat can travel 99 miles per hour. After sunset, a colony of bats emerges from a cave and spreads out in a circular pattern. How long before these bats cover an area of 80,000 square miles? Use π = 3.14.
A: 0.9 hours
B: 1.6 hours
C: 2.6 hours
D: 5.1 hours
