Arma 3 simple submunition penetration calculation

//Saving screen space, not needed
_x = configFile;
//CfgMagazine
_mag = "rhs_mag_m829a4";
//rhs_ammo_m829a4
_ammo = getText (_x >> "CfgMagazines" >> _mag >> "ammo");
//rhs_ammo_m829a4_penetrator
_penetrator = getText (_x >> "CfgAmmo" >> _ammo >> "submunitionammo");
_penetratorCaliber = getNumber (_x >> "CfgAmmo" >> _penetrator >> "caliber");

//Penetrator inherits m829a4 speed AT the time of impact, let's assume point-blank
_penetratorInheritsSpeed = getNumber (_x >> "CfgAmmo" >> _ammo >> "submunitionparentspeedcoef");
_penetratorInitSpeed = 0;
if (_penetratorInheritsSpeed == 1) then {
    //Assuming point-blank, use parent ammo initSpeed from CfgMagazine
    _penetratorInitSpeed = getNumber (_x >> "CfgMagazines" >> _mag >> "initSpeed");
} else {
    //Usually for HEAT warheads
    _penetratorInitSpeed = getNumber (_x >> "CfgAmmo" >> _ammo >> "submunitioninitspeed");
};
//1650 (m/s)
_magInitSpeed = getNumber (_x >> "CfgMagazines" >> _mag >> "initSpeed");

//895 (mm) RHA equiv penetration
_rha_penetration = _penetratorInitSpeed * _penetratorCaliber * 0.015;
_rha_penetration;