A projectile with a mass of 9.10 g is traveling at a speed of 1.10 km/s, determine the following.
1. Kinetic energy of the projectile in kilojoules: ________ kJ
2. Kinetic energy of the projectile in kilojoules, if its speed is reduced with a factor of two: __________ kJ
3. Kinetic energy of the projectile in kilojoules, if it original speed is increased by a factor of three: ________ kJ