A plane is headed eastward at a speed of 156 m/s. A 20.0 m/s wind is blowing southward at the same time as the plane is flying. The velocity of the plane relative to the ground is 155 m/s at an angle 7.36 east of south. O 157 m/s at an angle 7.36' south of east. O 157 m/s at an angle 7.31' south of east. O) 155 m/s at an angle 7.36 south of east. O) 157 m/s at an angle 7.310 east of south