new skorost;

if(pickupid == skorost)
{
SetVehicleSpeed(GetPlayerVehicleID(playerid), 500);
}

    skorost = CreatePickup(1241,14,2048.6382,1391.0293,10.6719);

stock SetVehicleSpeed(vehicleid, Float:speed)
{
     new Float:x1, Float:y1, Float:z1, Float:x2, Float:y2, Float:z2, Float:a;
     GetVehicleVelocity(vehicleid, x1, y1, z1);
     GetVehiclePos(vehicleid, x2, y2, z2);
     GetVehicleZAngle(vehicleid, a); a = 360 - a;
     x1 = (floatsin(a, degrees) * (speed/100) + floatcos(a, degrees) * 0 + x2) - x2;
     y1 = (floatcos(a, degrees) * (speed/100) + floatsin(a, degrees) * 0 + y2) - y2;
     SetVehicleVelocity(vehicleid, x1, y1, z1);
}