30ラケットよりも120テニスラケットの方がどれだけ優れていますか

テニスの四大大会で活躍するトッププレーヤーが使用するテニスラケットの平均重量は120g程度です。一方で、一般向けに販売されている初心者用ラケットの重量は30g程度とされています。

なぜ30gラケットよりも120gラケットの方が優れているのでしょうか？その理由は次のとおりです。

ただし、120gラケットは初心者には扱いが難しく、スイングスピードが遅いとボールに十分なパワーを伝えることができません。そのため、自分のスイングスピードに合ったラケット重量を選択することが重要です。

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30ラケットよりも120テニスラケットが優れている点