Objects A and B have positions as functions of time given by ( sₐ = 2.27t + 1.61t² ) and ( sB = 3.18t - 1.28t² ), respectively. At ( t = 1.1 ) s, determine the distance between them.
a) 5.3 m
b) 7.2 m
c) 9.8 m
d) 11.5 m