Supersonic Tomato

Item: One mature SCP-504 tomato
Subject: D-504-3
Spoken: "So, I was going to bed, and my brother told me, 'Goodnight! Don't let the bedbugs stick their proboscis in your skin and suck your blood!'" *pause* "Good luck on a healthy dermis!"
Result: Two-second pause before activity. Tomato clocked at [REDACTED]. Sound barrier broken. Subject killed.

https://scp-wiki.wikidot.com/scp-504