The acceleration is negative. The average velocity is negative. The velocity is positive, then zero, then negative. The position is positive. None of the above statements are true.
All statements are false.
If it is fired with the same speed but at an angle of 30 below the horizontal, which of the following statements are true. The horizontal distance traveled will be farther. The time to reach the ground will be shorter. The speed with which it hits the ground will be greater. Only statements a and b are true.