Hearing a racket in a dream means that your life will have unexpected and rapid changes.
Dream dictionary: racket dream meanings
To hear a loud unpleasant noise, when you are dreaming, stands often as a symbol of unhappiness or sorrow. In the dream to hear a racket, is also a sign of disappointments and sadness after being let down in some expected enjoyment.
…Dreaming of a racket, denotes that you will be foiled in some anticipated pleasure. For a young woman, this dream is ominous of disappointment in not being able to participate in some amusement that has engaged her attention….
The sound of the racket indicates the fact that something that is very pleasurable to you will be taken away. For a woman, who is engaged to her sweetheart is an indication that the marriage can be delayed.
Favorable omen for you ambitious, through the support of your friends.