Suppose a person holding a gun is running in the speed of bullet and he fired the bullet . speed of bullet will be constant with the person or more than the person​

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.