The position of an object moving along the x-axis has its position given by $x = 6t - t^{2} + 2t^{3}$ where x is in metres and t in seconds. Find the velocity for the time interval from t = 3s to t = 5s

• A.100.0m, 63ms^-1
• B.192.0m,92ms^-1
• C.192.0m, 54ms^-1
• D.100.0, 54ms^-1