加速

1. Origins, structure, and basic meaning

• Structure: 加速 (かそく) means increasing physical or process speed. The examples use intransitive change and causative form.
• Basic usage: A bicycle speeds downhill; communications advances accelerate information exchange.

2. Common pitfalls and similar expressions

• Increase in vehicle speed and acceleration of a social process
  • Intransitive subject is 自転車が; causative object is 情報交換を. Separate physical from figurative rate.