It doesn't. As soon as a bullet leaves the muzzle gravity takes over and it starts to drop.
ADDING: The bullet only appears to rise because it crosses paths with the line of the sights. A rifle's sights are usually located 1 to 2.5 inches above the center of the barrel. People normally adjust their gun sights so that the sights aim downward to cross the bore line at a point pretty close range (maybe 20 meters). But then while the imaginary straight line of the bore continues into the sky above the target forever, the real bullet, slowed down by air resistance and pulled down by gravity, will eventually drop across that line of sight again. This will be at a much longer range.
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A bullet rises in flight due to the effects of gravity and air resistance. As the bullet travels forward, it also moves in a slight upward arc before eventually falling down due to gravity. This trajectory is influenced by factors such as the bullet's initial velocity, angle of launch, and air resistance.
Yaw refers to the rotation or deviation of a bullet's long axis from its original flight path. This can occur when a bullet destabilizes in flight, causing it to lose accuracy and potentially tumble upon impact. Yaw affects a bullet's stability and terminal ballistics.
A bullet rotates in flight due to the rifling inside the barrel of a gun. The rifling creates grooves that grip the bullet and cause it to spin as it travels down the barrel. This spin stabilizes the bullet's trajectory and improves accuracy.
The peregrine falcon is faster than a bullet when it dives during flight, reaching speeds over 240 mph.
The flight of a bullet is the path it follows after being fired from a firearm. This path is influenced by factors such as gravity, air resistance, wind speed, and the angle at which the gun is fired. Bullets typically travel in a parabolic trajectory, rising and then falling as they move towards the target.
Rifling imparts a spin to the bullet, stabilizing its flight and improving accuracy. This stable flight path can result in a slightly increased muzzle velocity due to reduced air resistance and better alignment with the barrel bore. However, the primary impact of rifling on bullet speed is through its effect on accuracy rather than velocity.