6. To reach its destination on time, an aircraft is required to maintain a ground speed of 650 km/h in a direction of 60 south of west. A wind is encountered that is blowing at 40 km/h in a direction of 45 north of west. a) Write the vector equation for the velocity of the aircraft relative to the wind. (1 mark) b) Draw and label the vector diagram which represents the vector equation from part (a). (3 marks) c) What is the velocity of the plane relative to the wind