#include <stdio.h>
#include <locale.h>
 
int main(void)
{
    setlocale(LC_ALL, "Russian");
 
    float t = 0, G = 9.8, v;
    int quantity = 5;
 
    printf("Введите количество секунд: %d", quantity);
 
    printf("-------------------------\n");
    printf("Время, c \t Скорость, м/с\n");  
    printf("-------------------------\n");
    for(int i = 0; i <= quantity*2; i++)
    {
        v = t * G;
        printf("%2.1f \t\t %2.2f\n", t, v);
        t += 0.5;
    }
}

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