A wheel revolving at 6.0 ā rad/s has an angular acceleration of 4.0 ā rad/s². Find the number of turns the wheel must make to reach 26.0 ā rad/s and the time required.
a) 2.5 turns, 5 seconds
b) 3 turns, 6 seconds
c) 4 turns, 7 seconds
d) 5 turns, 8 seconds