Function newton::collision::calculate_spring_damper_acceleration

pub fn calculate_spring_damper_acceleration(
    dt: f32, 
    ks: f32, 
    x: f32, 
    kd: f32, 
    s: f32
) -> f32

Calculates acceleration that satisfies a given damper system.

http://newtondynamics.com/wiki/index.php5?title=NewtonCalculateSpringDamperAcceleration