06. Speed Info

function speedInfo(input) {
    let speed = Number(input[0]);
    if (speed <= 10) {
        console.log("slow");
    }
    else if (speed <= 50) {
        console.log("average");
    }
    else if (speed <= 150) {
        console.log("fast");
    }
    else if (speed <= 1000) {
        console.log("ultra fast");
    }
    else {
        console.log("extremely fast");
    }
}

РЕШЕНИЕ С ТЕРНАРЕН ОПЕРАТОР:

function speedInfo(input) {
    let speed = Number(input[0]);

    console.log(speed <= 10 ? "slow" :
                speed <= 50 ? "average" :
                speed <= 150 ? "fast" :
                speed <= 1000 ? "ultra fast" : "extremely fast");
}