Final answer:
A victim accidentally killed with a propeller would result in a high-speed impact spatter, where blood is dispersed in fine droplets due to the high force of the propeller's movement.
Step-by-step explanation:
When a victim is accidentally killed with a propeller, it will result in a high-speed impact spatter. Impact spatter occurs when an object impacts a source of blood with significant force, causing the blood to be dispersed in a pattern away from the source.
The spatter associated with a propeller-related incident would be classified as high-speed due to the rapid rotation and force of impact with which a propeller moves.
Examples like that of a propeller from an aircraft, which rotates at a high rate per second, illustrate the kind of force involved.
A propeller can strike with enough force to result in blood being dispersed in fine droplets, characteristic of a high-velocity impact spatter pattern.