3 A cyclist travels around a circular track of radius 20 m at a constant speed of \(8 \mathrm {~m} \mathrm {~s} ^ { - 1 }\) Find the angular speed of the cyclist in radians per second. Circle your answer.
[0pt] [1 mark]
\(0.2 \mathrm { rad } \mathrm { s } ^ { - 1 }\)
\(0.4 \mathrm { rad } \mathrm { s } ^ { - 1 }\)
\(2.5 \mathrm { rad } \mathrm { s } ^ { - 1 }\)
\(3.2 \mathrm { rad } \mathrm { s } ^ { - 1 }\)