pastac

using System;
using System.Collections.Generic;


namespace Program
{
    public class Car
    {
        public double Speed { get; protected set; } = 100;
        public double Acceleration { get; protected set; } = 100;
        public void Start() {
            Console.WriteLine("Turning on the engine...");
            Console.WriteLine($"Running at: {Speed} km/h");
        }
        public void Stop()
        {
            Console.WriteLine("Stopping the car...");
        }
        public void Accelerate()
        {
            Console.WriteLine("Accelerating...");
            Speed += Acceleration;
            Console.WriteLine($"Running at {Speed} km/h");
        }
    }
    public class Truck : Car
    {
        public void Accelerate()
        {
            Speed = 5;
        }
    }

    public class SportCar : Car
    {

    }

    public class Race
    {
        public void Begin()
        {
            SportCar sportCar = new SportCar();
            Truck truck = new Truck();

            List<Car> cars = new List<Car>()
            {
                sportCar, truck
            };
            foreach(Car car in cars)
            {
                car.Start();
            }
        }
    }
}